Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 4 mA. 2 mA. 1 mA. 3 mA. 4 mA. 2 mA. 1 mA. 3 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures Average value. Peak to peak value. Peak value. rms value. Average value. Peak to peak value. Peak value. rms value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = R2/2. R1 = 2R2. R1 = R2. R1 = 3R2. R1 = R2/2. R1 = 2R2. R1 = R2. R1 = 3R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instrument will measure Flux None of these Current Voltage Flux None of these Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.05mA 0.023mA 0.007mA 0.1mA 0.05mA 0.023mA 0.007mA 0.1mA ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance can be measured most accurately by Megger Bridge method Multimeter Voltmeter-ammeter method Megger Bridge method Multimeter Voltmeter-ammeter method ANSWER DOWNLOAD EXAMIANS APP